re PR middle-end/46823 (ICE: edge points to wrong declaration)

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/46823
	* tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

From-SVN: r168778

gcc/ChangeLog

+2011-01-14  Martin Jambor  <mjambor@suse.cz>
+
+	PR middle-end/46823
+	* tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
+
 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
 
 	* config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,

gcc/tree-inline.c

@@ -3783,14 +3783,19 @@ expand_call_inline (basic_block bb, gimple stmt, copy_body_data *id)
   if (gimple_code (stmt) != GIMPLE_CALL)
     goto egress;
 
+  /* Objective C and fortran still calls tree_rest_of_compilation directly.
+     Kill this check once this is fixed.  */
+  if (!id->dst_node->analyzed)
+    goto egress;
+
+  cg_edge = cgraph_edge (id->dst_node, stmt);
+  gcc_checking_assert (cg_edge);
   /* First, see if we can figure out what function is being called.
      If we cannot, then there is no hope of inlining the function.  */
-  fn = gimple_call_fndecl (stmt);
-  if (!fn)
+  if (cg_edge->indirect_unknown_callee)
     goto egress;
-
-  /* Turn forward declarations into real ones.  */
-  fn = cgraph_node (fn)->decl;
+  fn = cg_edge->callee->decl;
+  gcc_checking_assert (fn);
 
   /* If FN is a declaration of a function in a nested scope that was
      globally declared inline, we don't set its DECL_INITIAL.
@@ -3804,13 +3809,6 @@ expand_call_inline (basic_block bb, gimple stmt, copy_body_data *id)
       && gimple_has_body_p (DECL_ABSTRACT_ORIGIN (fn)))
     fn = DECL_ABSTRACT_ORIGIN (fn);
 
-  /* Objective C and fortran still calls tree_rest_of_compilation directly.
-     Kill this check once this is fixed.  */
-  if (!id->dst_node->analyzed)
-    goto egress;
-
-  cg_edge = cgraph_edge (id->dst_node, stmt);
-
   /* First check that inlining isn't simply forbidden in this case.  */
   if (inline_forbidden_into_p (cg_edge->caller->decl, cg_edge->callee->decl))
     goto egress;